Title :
Radiation efficiency of imperfect circular disk antennas
Author :
Blizuyuk, N.Yu. ; Nosich, Alexander I.
Author_Institution :
Inst. of Radiophys. & Electron., Acad. of Sci., Kharkov, Ukraine
Abstract :
In this paper, we have proposed a full-wave approach to the analysis of the fundamental antenna effects in a circular-disk dielectric patch antenna on a thin substrate backed by a PEC ground plane and coaxially excited by a vertical electrical dipole. The method of analytical regularization combined with the Galerkin method has been used. Antenna characteristics, such as the surface and space-wave powers, directivity, radiation pattern, and radiation efficiency, have been obtained and analyzed for different values of the disk permittivity and frequency. The situation of surface-wave suppression in such antennas has been considered
Keywords :
Galerkin method; antenna radiation patterns; antenna theory; dielectric-loaded antennas; microstrip antennas; surface electromagnetic waves; Galerkin method; analytical regularization; antenna characteristics; circular-disk dielectric patch antenna; directivity; disk permittivity; full-wave approach; fundamental antenna effects; imperfect circular disk antennas; radiation efficiency; radiation pattern; space-wave power; surface-wave power; surface-wave suppression; thin substrate; vertical electrical dipole; Coaxial components; Dielectric materials; Dielectric substrates; Dipole antennas; Integral equations; Millimeter wave circuits; Millimeter wave technology; Moment methods; Permittivity; Transmission line matrix methods;
Conference_Titel :
Microwaves, Radar and Wireless Communications. 2000. MIKON-2000. 13th International Conference on
Conference_Location :
Wroclaw
Print_ISBN :
83-906662-3-5
DOI :
10.1109/MIKON.2000.913898
